Evidence from clinical and animal model studies of the long-term and transgenerational impact of stress on DNA methylation
Seminars in cell & developmental biology | 29 Apr 2015
J Blaze and TL Roth
While it is well-known that stress during development and adulthood can confer long-term neurobiological and behavioral consequences, investigators have only recently begun to assess epigenetic modifications associated with these consequences. In this review, we highlight clinical research and work with animal models that provide evidence of the impact of stressful experiences either during the perinatal period or adulthood on DNA methylation and behavior. Additionally, we explore the more controversial concept of transgenerational inheritance, including that associated with preconception stress experienced by the mother or father. Finally, we discuss challenges associated with the idea of transgenerational epigenetics and for the field of epigenetics in general.
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